The maximum number of tangents that can be drawn to a circle from an external point is

• 1

• 2

• 3

• 4

In the figure, AP and BP are tangents and ∠APB=80°, then ∠AOB is equal to

• 80°

• 100°

• 180°

• 360°

Tags

CCSS.HSG.C.A.2

Two tangents drawn from an external point to a circle are

• unequal

• parallel

• equal

• perpendicular

Tags

CCSS.HSG.C.A.2

In the adjacent figure ∠ADB=50°, then ∠ACB is

• 90°

• 180°

• 65°

• 360°

Tags

CCSS.7.G.B.5

In the figure, CP and CQ are tangents to a circle with centre O. AB is another tangent touching the circle at R. If CP=12cm, BC=7cm then the length of BR is

• 5cm

• 7cm

• 12cm

• 19cm

Tags

CCSS.HSG.C.A.2

PQ is a tangent to a circle with centre O at the point P, if triangle OPQ is an isosceles triangle then ∠POQ is equal to

• 90°

• 60°

• 45°

• 30°

Tags

CCSS.HSG.C.A.2

TA and TB are tangents to a circle from an external point T. If ∠ATB=60° then the triangle TAB is

• right angled triangle

• equilateral triangle

• obtuse angled triangle

• isosceles triangle

Tags

CCSS.HSG.C.A.2

The length of a tangent drawn from a point 8cm away from the centre of a circle of radius 6cm is

• 10cm

• 5cm

• 2√7 cm

• √7cm

The angle between the tangent and a non-centric end of the radius is

• 90°

• 180°

• 45°

• 360°

The maximum number of parallel tangents a circle can have

• 1

• 2

• 0

• Infinite